/*
 * Created on 06-Mar-2005
 * Created by Paul Gardner
 * Copyright (C) Azureus Software, Inc, All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */

package org.gudy.azureus2.core3.util.protocol.magnet;

import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.Socket;
import java.net.URL;

import org.gudy.azureus2.core3.util.Debug;

import com.aelitis.net.magneturi.MagnetURIHandler;

/**
 * @author parg
 * 
 */

public class MagnetConnection extends HttpURLConnection {
    private Socket socket;

    private static final String NL = "\r\n";

    private String status = "";

    protected MagnetConnection(URL _url) {
        super(_url);
    }

    public void connect() throws IOException

    {
        socket = new Socket("127.0.0.1", MagnetURIHandler.getSingleton().getPort());

        String get = "GET " + "/download/" + getURL().toString().substring(7) + " HTTP/1.0" + NL + NL;

        socket.getOutputStream().write(get.getBytes());

        socket.getOutputStream().flush();
    }

    public InputStream getInputStream()

    throws IOException {
        InputStream is = socket.getInputStream();

        String line = "";

        byte[] buffer = new byte[1];

        byte[] line_bytes = new byte[2048];
        int line_bytes_pos = 0;

        while (true) {

            int len = is.read(buffer);

            if (len == -1) {

                break;
            }

            line += (char) buffer[0];

            line_bytes[line_bytes_pos++] = buffer[0];

            if (line.endsWith(NL)) {

                line = line.trim();

                if (line.length() == 0) {

                    break;
                }

                if (line.startsWith("X-Report:")) {

                    line = new String(line_bytes, 0, line_bytes_pos, "UTF-8");

                    line = line.substring(9);

                    line = line.trim();

                    status = Character.toUpperCase(line.charAt(0)) + line.substring(1);
                }

                line = "";
                line_bytes_pos = 0;
            }
        }

        return (is);
    }

    public int getResponseCode() {
        return (HTTP_OK);
    }

    public String getResponseMessage() {
        return (status);
    }

    public boolean usingProxy() {
        return (false);
    }

    public void disconnect() {
        try {
            socket.close();

        } catch (Throwable e) {

            Debug.printStackTrace(e);
        }
    }
}
